Electrical computers and digital data processing systems: input/ – Intrasystem connection – Bus access regulation
Patent
1998-08-18
2000-06-06
Ray, Gopal C.
Electrical computers and digital data processing systems: input/
Intrasystem connection
Bus access regulation
710100, 370360, 370402, G06F 902, G06F 1300, G06F 1340, H04L 1250, H03K 17693
Patent
active
060732024
ABSTRACT:
A bus switching structure and a computer using the same, wherein input/output (I/O) slot connections are switched to a desired I/O bus so that loads are distributed evenly over the I/O buses. The bus switching structure includes a switching unit and switching controller. The switching unit is located interposingly between an I/O slot and a plurality of I/O buses. The switching unit either connects or disconnects the I/O slot to or from each of the I/O buses in accordance with a switching signal. The switching controller outputs the switching signal to cause the switching unit to connect the I/O slot to one of the I/O buses and to disconnect the I/O slot from any of the other I/O bus, thereby effecting connection switchover between the I/O slot and the I/O buses.
REFERENCES:
patent: 4893301 (1990-01-01), Andrews et al.
patent: 4933846 (1990-06-01), Humphrey et al.
patent: 5113390 (1992-05-01), Hayashi et al.
patent: 5365512 (1994-11-01), Combs et al.
patent: 5526344 (1996-06-01), Diaz et al.
Hisada Yoshiaki
Ide Junya
Inagawa Takashi
Hitachi , Ltd.
Ray Gopal C.
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